Einmal positiv — immer positiv
Crossref DOI link: https://doi.org/10.1007/s15012-015-1739-6
Published Online: 2015-01-28
Published Print: 2015-02
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Starostzik, Christine
Text and Data Mining valid from 2015-01-28